ITMI20010265A1 - APPARATUS AND METHOD FOR APPLYING A FLUID TO A PAPER TAPE - Google Patents
APPARATUS AND METHOD FOR APPLYING A FLUID TO A PAPER TAPE Download PDFInfo
- Publication number
- ITMI20010265A1 ITMI20010265A1 ITMI20010265A ITMI20010265A1 IT MI20010265 A1 ITMI20010265 A1 IT MI20010265A1 IT MI20010265 A ITMI20010265 A IT MI20010265A IT MI20010265 A1 ITMI20010265 A1 IT MI20010265A1
- Authority
- IT
- Italy
- Prior art keywords
- fluid
- roller
- paper web
- applying
- web
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0847—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the circumferential speed of the coating roller and the work speed having same direction but different value
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
- D21H23/56—Rolls
- D21H23/58—Details thereof, e.g. surface characteristics, peripheral speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/04—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work
Landscapes
- Adhesive Tapes (AREA)
- Polarising Elements (AREA)
- Coating Apparatus (AREA)
- Paper (AREA)
- Sanitary Thin Papers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Description
DESCRIZIONE dell'invenzione industriale dal titolo: DESCRIPTION of the industrial invention entitled:
"APPARECCHIATURA E METODO PER APPLICARE UN FLUIDO AD UN NASTRO DI CARTA" "APPARATUS AND METHOD FOR APPLYING A FLUID TO A PAPER TAPE"
TESTO DELLA DESCRIZIONE TEXT OF THE DESCRIPTION
La presente invenzione si riferisce ad una apparecchiatura e ad un metodo per applicare un fluido ad un nastro di carta. The present invention relates to an apparatus and a method for applying a fluid to a paper web.
Più in particolare, la presente invenzione si riferisce ad una apparecchiatura per applicare un fluido quale una lozione, o un ammorbidente, ad un nastro di carta per realizzare prodotti di tipo "tissue", quali fazzoletti, carta igienica, ecc. More particularly, the present invention relates to an apparatus for applying a fluid such as a lotion, or a softener, to a paper web for making "tissue" type products, such as handkerchiefs, toilet paper, etc.
Attualmente i fluidi, quali lozioni, ammorbidenti e altri, vengono applicati ai prodotti di tipo tissue, quando ancora in forma di nastro continuo, mediante spruzzatori o rulli applicatori . Currently, fluids, such as lotions, softeners and others, are applied to tissue-type products, when still in the form of a continuous web, by means of sprayers or applicator rollers.
Esiste il problema di dosare correttamente la quantità di fluido da applicare al prodotto e/o di variare il dosaggio secondo le esigenze specifiche. There is the problem of correctly dosing the quantity of fluid to be applied to the product and / or varying the dosage according to specific needs.
Compito della presente invenzione è quello di realizzare una apparecchiatura, per applicare un fluido ad un nastro di carta, che permetta di variare la quantità di fluido applicato in modo rapido ed agevole. The aim of the present invention is to provide an apparatus, for applying a fluid to a paper web, which allows the quantity of fluid applied to be varied quickly and easily.
Un altro scopo del trovato, è quello di realizzare una apparecchiatura, per applicare un fluido ad un nastro di carta, facilmente utilizzabile nelle linee attualmente esistenti per la produzione di prodotti di tipo tissue. Another object of the invention is to provide an apparatus, for applying a fluid to a paper web, which can be easily used in currently existing lines for the production of tissue-type products.
Un altro scopo ancora è quello di realizzare una apparecchiatura per applicare un fluido ad un nastro di carta, costruttivamente semplice ed affidabile. Yet another object is to provide an apparatus for applying a fluid to a paper web, which is constructively simple and reliable.
Questi scopi ed altri che meglio appariranno in seguito, sono raggiunti da una apparecchiatura, per applicare un fluido ad un nastro di carta, comprendente mezzi di alimentazione di un nastro di carta continuo ad almeno una stazione di applicazione del fluido comprendente almeno un rullo, a contatto con detto nastro, ed atto a trasportare del fluido da applicare a detto nastro di carta, caratterizzata dal fatto che la velocità di rotazione del rullo è variabile rispetto alla velocità di avanzamento di detto nastro per variare la quantità di fluido applicata da detto rullo a detto nastro. Ulteriori caratteristiche e vantaggi risulteranno maggiormente dalla descrizione di forme di realizzazione preferite, ma non esclusive, dell'invenzione, illustrate a titolo indicativo e non limitativo negli uniti disegni, in cui l'unica figura è una vista schematica in alzato laterale dell'apparecchiatura, per applicare un fluido ad un nastro di carta, secondo il trovato. These objects and others which will become clearer hereinafter, are achieved by an apparatus for applying a fluid to a paper web, comprising means for feeding a continuous paper web to at least one fluid application station comprising at least one roller, a contact with said belt, and adapted to transport fluid to be applied to said paper belt, characterized in that the rotation speed of the roller is variable with respect to the speed of advancement of said belt to vary the quantity of fluid applied by said roller to said tape. Further characteristics and advantages will become clearer from the description of preferred, but not exclusive, embodiments of the invention, illustrated by way of non-limiting example in the accompanying drawings, in which the only figure is a schematic side elevation view of the apparatus, for applying a fluid to a paper web, according to the invention.
Con riferimento alla figura citata, l'apparecchiatura, per applicare un fluido ad un nastro di carta, secondo il trovato, indicata globalmente con il numero di riferimento 1, comprende un telaio portante 3 comprendente mezzi di alimentazione di almeno un nastro di carta continuo 5 ad almeno una stazione di applicazione 7 di un fluido. With reference to the aforementioned figure, the apparatus, for applying a fluid to a paper web, according to the invention, generally indicated with the reference number 1, comprises a supporting frame 3 comprising means for feeding at least one continuous paper web 5 to at least one station 7 for applying a fluid.
Nella forma realizzativa illustrata, l'apparecchiatura secondo il trovato è dotata di due stazioni di applicazione, rispettivamente 7 e 107, ciascuna atta ad applicare del fluido su un lato del nastro 5. In the illustrated embodiment, the apparatus according to the invention is equipped with two application stations, respectively 7 and 107, each suitable for applying fluid on one side of the belt 5.
Più in particolare, il nastro di carta 5 è, per esempio, costituito dall'accoppiamento di due veli, rispettivamente 9 e 11, e viene alimentato alle stazioni di applicazione 7 e 107 mediante mezzi di alimentazione comprendenti rulli 13. More particularly, the paper web 5 is, for example, constituted by the coupling of two plies, 9 and 11 respectively, and is fed to the application stations 7 and 107 by means of feeding means comprising rollers 13.
Il sistema di accoppiamento dei veli 9 e 11 per formare il nastro di carta 5 ed il sistema di alimentazione del nastro possono essere di tipo noto e non verranno qui descritti per brevità. The coupling system of the webs 9 and 11 to form the paper web 5 and the web feeding system may be of a known type and will not be described here for the sake of brevity.
Secondo il trovato, la prima stazione di alimentazione 7 comprende un rullo retinato 15 cooperante con uno spalmatore a racla 17 del fluido da applicare al nastro 5. According to the invention, the first feeding station 7 comprises an anilox roller 15 cooperating with a doctor blade spreader 17 of the fluid to be applied to the belt 5.
Il rullo retinato 15 è motorizzato mediante un mezzo motore a velocità variabile per variare la velocità di rotazione del rullo retinato rispetto alla velocità di alimentazione del nastro 5 in corrispondenza della stazione di applicazione 7. The anilox roller 15 is motorized by means of a variable speed motor means to vary the rotation speed of the anilox roller with respect to the feeding speed of the web 5 at the application station 7.
Analogamente, la seconda stazione di applicazione 107 comprende un rullo retinato 115 cooperante con uno spalmatore a racla 117 del fluido da applicare al nastro 5. Similarly, the second application station 107 comprises an anilox roller 115 cooperating with a doctor blade spreader 117 of the fluid to be applied to the belt 5.
Il rullo retinato 115 è motorizzato mediante un mezzo motore a velocità variabile per variare la velocità di rotazione del rullo retinato rispetto alla velocità di alimentazione del nastro 5 in corrispondenza della stazione di applicazione 107. The anilox roller 115 is motorized by means of a variable speed motor means to vary the rotation speed of the anilox roller with respect to the feeding speed of the web 5 at the application station 107.
Il rullo retinato, di ciascuna stazione di applicazione, ruota a contatto con lo spalmatore a racla e trasporta del liquido, contenuto in appositi serbatoi, per depositarlo sul nastro di carta. Variando la velocità di rotazione del rullo retinato rispetto alla velocità di alimentazione del nastro di carta, almeno nella zona di contatto con il rullo, si genera uno slittamento reciproco, tra rullo e nastro, e regolando tale slittamento è possibile variare il dosaggio di fluido applicato al nastro. The anilox roll of each application station rotates in contact with the doctor blade spreader and transports liquid, contained in special tanks, to deposit it on the paper web. By varying the rotation speed of the anilox roll with respect to the feeding speed of the paper web, at least in the area of contact with the roller, a reciprocal slip is generated between the roller and the ribbon, and by adjusting this slip it is possible to vary the dosage of fluid applied. to the tape.
Secondo un aspetto preferito dell'invenzione, il rullo retinato viene fatto ruotare con una velocità periferica inferiore alla velocità di avanzamento del nastro di carta innalzando le fibre del nastro di carta e conferendo in tal modo un maggiore spessore ed una maggiore sofficità, la cosiddetta "mano" del prodotto, dall'inglese "hand feel". According to a preferred aspect of the invention, the anilox roll is made to rotate with a peripheral speed lower than the forward speed of the paper web, raising the fibers of the paper web and thus giving greater thickness and greater softness, the so-called " hand "of the product, from the English" hand feel ".
La forma realizzativa dell'esempio illustrato comprende due stazioni di applicazione, rispettivamente 7 e 107, per applicare del fluido su entrambi i lati del nastro 5. The embodiment of the illustrated example comprises two application stations, respectively 7 and 107, for applying fluid on both sides of the belt 5.
Si è in pratica constatato come l'invenzione raggiunga il compito e gli scopi prefissati avendo realizzato una apparecchiatura, per applicare un fluido ad un nastro di carta, che permetta di variare la quantità di fluido applicato in modo rapido ed agevole. In practice it has been found that the invention achieves the intended aim and objects by having provided an apparatus, for applying a fluid to a paper web, which allows the quantity of fluid applied to be varied quickly and easily.
L'apparecchiatura, secondo il trovato, è suscettibile di numerose modifiche e varianti, tutte rientranti nell'ambito del concetto inventivo; inoltre tutti i dettagli potranno essere sostituiti da elementi tecnicamente equivalenti. The apparatus according to the invention is susceptible of numerous modifications and variations, all of which are within the scope of the inventive concept; furthermore, all the details can be replaced by technically equivalent elements.
Naturalmente i materiali impiegati, nonché le dimensioni, potranno essere qualsiasi secondo le esigenze e lo stato della tecnica. The materials used, as well as the dimensions, may of course be any according to the requirements and the state of the art.
Claims (8)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI20010265 ITMI20010265A1 (en) | 2001-02-09 | 2001-02-09 | APPARATUS AND METHOD FOR APPLYING A FLUID TO A PAPER TAPE |
| EP02002237A EP1231321A3 (en) | 2001-02-09 | 2002-01-30 | Apparatus and method for applying a fluid to a paper web |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI20010265 ITMI20010265A1 (en) | 2001-02-09 | 2001-02-09 | APPARATUS AND METHOD FOR APPLYING A FLUID TO A PAPER TAPE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ITMI20010265A1 true ITMI20010265A1 (en) | 2002-08-09 |
Family
ID=11446820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ITMI20010265 ITMI20010265A1 (en) | 2001-02-09 | 2001-02-09 | APPARATUS AND METHOD FOR APPLYING A FLUID TO A PAPER TAPE |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1231321A3 (en) |
| IT (1) | ITMI20010265A1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8904112D0 (en) * | 1989-02-23 | 1989-04-05 | Wiggins Teape Group Ltd | Process for applying microcapsule-containing compositions to paper |
| US5178912A (en) * | 1990-03-29 | 1993-01-12 | Congoleum Corporation | Use of reverse roll coater to make flooring material |
| SE465709B (en) * | 1990-04-03 | 1991-10-21 | Btg Kaelle Inventing Ab | PROCEDURE APPLIES DUPLEXIC COATING OF A CURRENT COURT BY TWO OPPOSED TRANSFER ROLLS |
| FI93377C (en) * | 1993-01-13 | 1995-03-27 | Valmet Paper Machinery Inc | Method and apparatus for preventing air intrusion between a moving material web and a roller |
| DE59306972D1 (en) * | 1993-01-29 | 1997-08-28 | Voith Gmbh J M | Method and device for coating a paper web |
| DE19652769A1 (en) * | 1996-12-18 | 1998-06-25 | Voith Sulzer Papiermasch Gmbh | Method and device for damping contact vibrations |
| DE19743641A1 (en) * | 1997-10-02 | 1999-04-08 | Karl Dengler | Web surface coating assembly |
-
2001
- 2001-02-09 IT ITMI20010265 patent/ITMI20010265A1/en unknown
-
2002
- 2002-01-30 EP EP02002237A patent/EP1231321A3/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP1231321A2 (en) | 2002-08-14 |
| EP1231321A3 (en) | 2004-10-20 |
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